rust/src/etc/libc.c

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/*
* This calculates the platform-variable portion of the libc module.
* Move code in here only as you discover it is platform-variable.
*
*/
/* c95 */
#include <stddef.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <wchar.h>
/* c99 */
#include <inttypes.h>
/* posix */
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#define S(T) ((((T)-1)<0) ? 'i' : 'u')
#define B(T) (((int)sizeof(T)) * CHAR_BIT)
#define put_type(N,T) \
printf(" type %s = %c%d;\n", N, S(T), B(T))
#define put_ftype(N,T) \
printf(" type %s = f%d;\n", N, B(T))
#define CT(T) ((((T)-1)<0) ? "int" : "uint")
#define CS(T) ((((T)-1)<0) ? "" : "_u")
#define put_const(N,T) \
printf(" const %s : %s = %d%s;\n", \
#N, CT(T), N, CS(T))
void c95_types() {
printf(" mod c95 {\n");
put_type("c_char", char);
put_type("c_schar", signed char);
put_type("c_uchar", unsigned char);
put_type("c_short", short);
put_type("c_ushort", unsigned short);
put_type("c_int", int);
put_type("c_uint", unsigned int);
put_type("c_long", long);
put_type("c_ulong", unsigned long);
put_ftype("c_float", float);
put_ftype("c_double", double);
put_type("size_t", size_t);
put_type("ptrdiff_t", ptrdiff_t);
put_type("clock_t", clock_t);
put_type("time_t", time_t);
put_type("wchar_t", wchar_t);
printf(" }\n");
}
void c99_types() {
printf(" mod c99 {\n");
put_type("c_longlong", long long);
put_type("c_ulonglong", unsigned long long);
put_type("intptr_t", intptr_t);
put_type("uintptr_t", uintptr_t);
printf(" }\n");
}
void posix88_types() {
printf(" mod posix88 {\n");
put_type("off_t", off_t);
put_type("dev_t", dev_t);
put_type("ino_t", ino_t);
put_type("pid_t", pid_t);
#ifndef __WIN32__
put_type("uid_t", uid_t);
put_type("gid_t", gid_t);
#endif
put_type("useconds_t", useconds_t);
put_type("mode_t", mode_t);
put_type("ssize_t", ssize_t);
printf(" }\n");
}
void extra_types() {
printf(" mod extra {\n");
printf(" }\n");
}
void c95_consts() {
printf(" mod c95 {\n");
put_const(EXIT_FAILURE, int);
put_const(EXIT_SUCCESS, int);
put_const(RAND_MAX, int);
put_const(EOF, int);
put_const(SEEK_SET, int);
put_const(SEEK_CUR, int);
put_const(SEEK_END, int);
put_const(_IOFBF, int);
put_const(_IONBF, int);
put_const(_IOLBF, int);
put_const(BUFSIZ, size_t);
put_const(FOPEN_MAX, size_t);
put_const(FILENAME_MAX, size_t);
put_const(L_tmpnam, size_t);
put_const(TMP_MAX, size_t);
printf(" }\n");
}
void posix88_consts() {
printf(" mod posix88 {\n");
put_const(O_RDONLY, int);
put_const(O_WRONLY, int);
put_const(O_RDWR, int);
put_const(O_APPEND, int);
put_const(O_CREAT, int);
put_const(O_EXCL, int);
put_const(O_TRUNC, int);
put_const(S_IFIFO, int);
put_const(S_IFCHR, int);
put_const(S_IFBLK, int);
put_const(S_IFDIR, int);
put_const(S_IFREG, int);
put_const(S_IFLNK, int);
put_const(S_IFMT, int);
put_const(S_IEXEC, int);
put_const(S_IWRITE, int);
put_const(S_IREAD, int);
put_const(S_IRWXU, int);
put_const(S_IXUSR, int);
put_const(S_IWUSR, int);
put_const(S_IRUSR, int);
#ifdef F_OK
put_const(F_OK, int);
#endif
#ifdef R_OK
put_const(R_OK, int);
#endif
#ifdef W_OK
put_const(W_OK, int);
#endif
#ifdef X_OK
put_const(X_OK, int);
#endif
#ifdef STDIN_FILENO
put_const(STDIN_FILENO, int);
#endif
#ifdef STDOUT_FILENO
put_const(STDOUT_FILENO, int);
#endif
#ifdef STDERR_FILENO
put_const(STDERR_FILENO, int);
#endif
#ifdef F_LOCK
put_const(F_LOCK, int);
#endif
#ifdef F_TEST
put_const(F_TEST, int);
#endif
#ifdef F_TLOCK
put_const(F_TLOCK, int);
#endif
#ifdef F_ULOCK
put_const(F_ULOCK, int);
#endif
printf(" }\n");
}
void extra_consts() {
printf(" mod extra {\n");
#ifdef O_RSYNC
put_const(O_RSYNC, int);
#endif
#ifdef O_DSYNC
put_const(O_DSYNC, int);
#endif
#ifdef O_SYNC
put_const(O_SYNC, int);
#endif
#ifdef O_TEXT
put_const(O_TEXT, int);
#endif
#ifdef O_BINARY
put_const(O_BINARY, int);
#endif
#ifdef O_IRUSR
put_const(O_IRUSR, int);
#endif
#ifdef O_IWUSR
put_const(O_IWUSR, int);
#endif
printf(" }\n");
}
int main() {
printf("mod types {");
c95_types();
c99_types();
posix88_types();
extra_types();
printf("}\n");
printf("mod consts {\n");
c95_consts();
posix88_consts();
extra_consts();
printf("}\n");
}